Exposure
ID
GRAVI.2025-02-25T04:14:26.553_1
Header ID
GRAVI.2025-02-25T04:14:26.553
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2026-02-25 04:25:43 UTC+0000
UTC Start
2025-02-25 04:14:26.553
UTC End
2025-02-25 04:17:38.553
MJD Start
60731.17669622
MJD End
60731.17891844222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004843
Ambient temperature (°C)
15.73
Seeing (arcsec)
1.62
Observation
ID
64839
Category
science
Program ID
114.27NF.001
Program Title
UNVELING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
48284
Name
h01_Pup
RA
122.836605
DEC
-39.61853
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.2010 89.0560 131.9000 132.6000
A0-J2 122.6280 122.1430 109.7000 110.4000
A0-K0 116.8990 116.2420 87.0920 87.6690
G1-J2 52.3630 52.0620 69.6000 70.1000
G1-K0 82.6750 82.3930 37.5570 37.8960
J2-K0 47.3190 47.3140 1.5870 2.0090
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60731.17669622
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME h01 Pup
HIERARCH ESO INS SOBJ NAME h01_Pup
RA 122.836605
DEC -39.61853
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 89.201
HIERARCH ESO ISS PBL12 END 89.056
HIERARCH ESO ISS PBLA12 START 131.9
HIERARCH ESO ISS PBLA12 END 132.6
HIERARCH ESO ISS PBL13 START 122.628
HIERARCH ESO ISS PBL13 END 122.143
HIERARCH ESO ISS PBLA13 START 109.7
HIERARCH ESO ISS PBLA13 END 110.4
HIERARCH ESO ISS PBL14 START 116.899
HIERARCH ESO ISS PBL14 END 116.242
HIERARCH ESO ISS PBLA14 START 87.092
HIERARCH ESO ISS PBLA14 END 87.669
HIERARCH ESO ISS PBL23 START 52.363
HIERARCH ESO ISS PBL23 END 52.062
HIERARCH ESO ISS PBLA23 START 69.6
HIERARCH ESO ISS PBLA23 END 70.1
HIERARCH ESO ISS PBL24 START 82.675
HIERARCH ESO ISS PBL24 END 82.393
HIERARCH ESO ISS PBLA24 START 37.557
HIERARCH ESO ISS PBLA24 END 37.896
HIERARCH ESO ISS PBL34 START 47.319
HIERARCH ESO ISS PBL34 END 47.314
HIERARCH ESO ISS PBLA34 START 1.587
HIERARCH ESO ISS PBLA34 END 2.009
HIERARCH ESO ISS AMBI TAU0 START 0.004645
HIERARCH ESO ISS AMBI TAU0 END 0.005041
HIERARCH ESO ISS AMBI TEMP 15.73
HIERARCH ESO ISS AMBI FWHM START 1.62
HIERARCH ESO ISS AMBI FWHM END 1.62